SOLUTION: Decide whether this relation defines y as a function of x. Give the domain xy=-3

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Question 1187521: Decide whether this relation defines y as a function of x. Give the domain
xy=-3
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

xy=-3
Solve the equation for y:
y=-3%2Fx
Now ask yourself:
If I choose an x, do I ever get two+different numbers for y? If the answer is NO, the y is a function of+x.
In this case the answer IS NO, so, y IS a function of x. Each value of x corresponds to a single value of+y.